Adjust image quality

GroupDocs.Viewer enables you to adjust quality of output images contained by the source PDF document. To adjust image quality use PdfOptions.ImageQualityoption of HtmlViewOptions class.

PdfOptions.ImageQuality can be set to:

  • Low - The acceptable quality, best performance and least size of the output image.
  • Medium - Better quality and slower performance.
  • High - Best quality but slow performance.

NOTE: this option is supported when rendering to HTML only.

Following code snippet shows how to adjust image quality when rendering to HTML.

using (Viewer viewer = new Viewer("sample.docx"))
    HtmlViewOptions viewOptions = HtmlViewOptions.ForEmbeddedResources();
    viewOptions.PdfOptions.ImageQuality = ImageQuality.Medium;